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55550050050 = 23521133666697
BaseRepresentation
bin110011101111000010…
…100111111100000010
312022101101012221000010
4303233002213330002
51402231303100200
641304102205350
74004403430455
oct635702477402
9168341187003
1055550050050
1121616611880
12a923723856
135313858801
14298d89549c
1516a1c4e150
hexcef0a7f02

55550050050 has 48 divisors (see below), whose sum is σ = 150288139872. Its totient is φ = 13466678400.

The previous prime is 55550050033. The next prime is 55550050097. The reversal of 55550050050 is 5005005555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16831699 + ... + 16834998.

It is an arithmetic number, because the mean of its divisors is an integer number (3131002914).

Almost surely, 255550050050 is an apocalyptic number.

55550050050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55550050050 is an abundant number, since it is smaller than the sum of its proper divisors (94738089822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55550050050 is a wasteful number, since it uses less digits than its factorization.

55550050050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33666723 (or 33666718 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

It can be divided in two parts, 555500 and 50050, that added together give a triangular number (605550 = T1100).

The spelling of 55550050050 in words is "fifty-five billion, five hundred fifty million, fifty thousand, fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 275 330 550 825 1650 33666697 67333394 101000091 168333485 202000182 336666970 370333667 505000455 740667334 841667425 1010000910 1111001001 1683334850 1851668335 2222002002 2525002275 3703336670 5050004550 5555005005 9258341675 11110010010 18516683350 27775025025 55550050050